result of debdiff openmpi_1.1-2.5.dsc openmpi_1.1-2.5ubuntu1.dsc > openmpi-1.1-2.5--1.1-2.5ubuntu1.debdiff
result of debdiff openmpi_1.1-2.5.dsc openmpi_ 1.1-2.5ubuntu1. dsc > openmpi- 1.1-2.5- -1.1-2. 5ubuntu1. debdiff